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Finding the Fourth Proportional to 653,253.75, 979,942.46 and 253,925.37

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Solution

The fourth proportional to 653,253.75, 979,942.46 and 253,925.37 is: 380,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,253.75 : 979,942.46 = 253,925.37 : x
  2. Step 2: Convert to fraction form
    653,253.75/979,942.46 = 253,925.37/x
  3. Step 3: Cross multiply
    653,253.75x = 979,942.46 × 253,925.37
  4. Step 4: Simplify right side
    653,253.75x = 248,832,250,464.58
  5. Step 5: Solve for x
    x = 248,832,250,464.58/653,253.75
  6. Step 6: Final answer
    x = 380,912.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.